.contact-us-main .left,.contact-us-main .right{
    width: 48%;
    margin: 1%;
}
.left-tit{
    font-size: 18px;
    font-weight: bold;
    color: #30364c;
    margin-bottom: 15px
}
.enterprise{
    margin-bottom: 100px;
}
@media only screen and (max-width:767px){
    .contact-us-main .left,.contact-us-main .right{
        width: 98%;
        margin: 1%;
    }
    .enterprise{
        margin-bottom: 5%
    }
}